# To state: the property of real numbers used in the given relation.

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 1.1, Problem 9E
To determine

## To state: the property of real numbers used in the given relation.

Expert Solution

Associativeproperty over addition of real numbers.

### Explanation of Solution

Given information:

A relation is given as

x+(2y+3z)=(x+2y)+3z

Calculation:

Associative property over addition of real numbers:

If three real numbers are added then the result does not depend on the order of addition.

Suppose a, b, and c are three real numbers, Associative property says that

a+(b+c)=(a+b)+c

Therefore, in x+(2y+3z)=(x+2y)+3z , Associative property over addition of real numbers has been used.

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